New US President Joe Biden has signed a slew of 17 executive orders in his first hours in office, scrapping several of flagship policies of predecessor Donald Trump.
Some of the EOs also addressed the coronavirus pandemic, climate change, racial inequality and the U.S. return to the World Health Organisation.
The new president has ordered the wearing of masks and social distancing in all federal buildings and on all federal lands
The most notable Trump decree binned by Biden was the travel ban on travellers from seven Muslim-majority countries.
Biden entered the Oval Office for the first time shortly before 5pm EST on Wednesday.
Some of the EOs signed also fulfilled his promise to move quickly on Day One of his presidency, initiate the process of the United States rejoining the Paris climate accord and include the revocation of the presidential permit granted for the controversial Keystone XL oil pipeline.
He is also calling upon his administration to strengthen the DACA program for immigrants brought to the United States as children.
He has ended also a national emergency declaration that was the basis for diverting some federal funds to build a wall along the U.S.-Mexico border.